Rename our internal regex.h to not collide with system regex.h.

Makefile

@@ -1,5 +1,5 @@
-SRCS := $(wildcard js*.c utf*.c regex.c)
-HDRS := $(wildcard js*.h mujs.h utf.h regex.h)
+SRCS := $(wildcard js*.c utf*.c regexp.c)
+HDRS := $(wildcard js*.h mujs.h utf.h regexp.h)
 OBJS := $(SRCS:%.c=build/%.o)
 
 prefix ?= /usr/local

jsgc.c

@@ -3,7 +3,7 @@
 #include "jsvalue.h"
 #include "jsrun.h"
 
-#include "regex.h"
+#include "regexp.h"
 
 static void jsG_markobject(js_State *J, int mark, js_Object *obj);
 

jsregexp.c

@@ -1,7 +1,7 @@
 #include "jsi.h"
 #include "jsvalue.h"
 #include "jsbuiltin.h"
-#include "regex.h"
+#include "regexp.h"
 
 void js_newregexp(js_State *J, const char *pattern, int flags)
 {

jsstring.c

@@ -2,7 +2,7 @@
 #include "jsvalue.h"
 #include "jsbuiltin.h"
 #include "utf.h"
-#include "regex.h"
+#include "regexp.h"
 
 int js_runeat(js_State *J, const char *s, int i)
 {

one.c

@@ -21,6 +21,6 @@
 #include "jsstate.c"
 #include "jsstring.c"
 #include "jsvalue.c"
-#include "regex.c"
+#include "regexp.c"
 #include "utf.c"
 #include "utftype.c"

regexp.c

@@ -4,7 +4,7 @@
 #include <setjmp.h>
 #include <limits.h>
 
-#include "regex.h"
+#include "regexp.h"
 #include "utf.h"
 
 #define emit regemit

regexp.h

@@ -1,5 +1,5 @@
-#ifndef regex_h
-#define regex_h
+#ifndef regexp_h
+#define regexp_h
 
 #define regcomp js_regcomp
 #define regexec js_regexec